{"version":"2.1.290","anchor":"two-new-flag-helpers-tengu-cobalt-plinth-sainfoin-off-and","canonical_anchor":"two-new-flag-helpers-tengu-cobalt-plinth-sainfoin-off-and","heading":"Two new server-controlled switches with unknown purposes","tier":"internal","area":"Internals","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.290\/e\/two-new-flag-helpers-tengu-cobalt-plinth-sainfoin-off-and","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.290","markdown":"### Two new server-controlled switches with unknown purposes\n\nTwo new switches set by Anthropic's servers are built in, one falling back to off and one to on\n\n**Unclear.** What either switch controls is not known.\n\n**What**\n\nClaude Code has two new switches that Anthropic's servers can set. When the server sends nothing, `tengu_cobalt_plinth_sainfoin` falls back to off and `tengu_fizzy_treasure` falls back to on.\n\n**Why**\n\nThese let behaviour be changed remotely without a new release.\n\n- Flag `tengu_fizzy_treasure`: Not enough to say (read for one account on one subscription tier against v2.1.290; this account: no value returned, anonymous baseline: no value returned, compiled default: on) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.\n- Flag `tengu_cobalt_plinth_sainfoin`: Off in both readings (read for one account on one subscription tier against v2.1.290; this account: off, anonymous baseline: off, compiled default: off) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.\n- Area: Internals\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 2\/5\n- Scope: individual\n- Heads-up: no"}